Connection string for oracle 11g on remote server to visual studio? -

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i have installed oracle on windows server 2012 webserver , trying connect oracle visual studio 2010 on windows 7.

i have installed odp odac tool vs2010.

i adding new data connection , providing data source as:

(description=(address=(protocol=tcp)(host=my_server_ip)(port=1521))(connect_data =(server=dedicated)(service_name=orcl)))

and specificing userid , password not connecting , showing error of tns timeout.

timeout

what's wrong have done , how remotely access oracle 11g pc.


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